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Voltage and Current - Technical MCQs

Q1:

How many valence shell electrons are there in semiconductor atoms?

A 16

B 8

C 4

D 2

ANS:C - 4

The outermost orbit of an atom is called as valence shell. The number of valence electrons present in a valence shell is based on its capacity. For example: take silicon a semiconductor, which has 4 valance electrons.